package com.wss.guli.product.service.impl;

import com.alibaba.fastjson.TypeReference;
import com.wss.common.constant.ProductConstand;
import com.wss.common.to.SkuHasStockVo;
import com.wss.common.to.SkuReductionTo;
import com.wss.common.to.SpuBoundTo;
import com.wss.common.to.es.SkuEsModel;
import com.wss.common.utils.R;
import com.wss.guli.product.entity.*;
import com.wss.guli.product.feign.CouponFeignService;
import com.wss.guli.product.feign.SearchFeignService;
import com.wss.guli.product.feign.WareFeignService;
import com.wss.guli.product.service.*;
import com.wss.guli.product.vo.*;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.math.BigDecimal;
import java.util.*;
import java.util.stream.Collectors;

import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.wss.common.utils.PageUtils;
import com.wss.common.utils.Query;

import com.wss.guli.product.dao.SpuInfoDao;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.util.StringUtils;


@Service("spuInfoService")
public class SpuInfoServiceImpl extends ServiceImpl<SpuInfoDao, SpuInfoEntity> implements SpuInfoService {

    @Autowired
    SpuInfoDescService spuInfoDescService;
    @Autowired
    SpuImagesService spuImagesService;
    @Autowired
    AttrService attrService;
    @Autowired
    ProductAttrValueService productAttrValueService;
    @Autowired
    SkuInfoService skuInfoService;
    @Autowired
    SkuImagesService skuImagesService;
    @Autowired
    SkuSaleAttrValueService skuSaleAttrValueService;
    @Autowired
    CouponFeignService couponFeignService;
    @Autowired
    BrandService brandService;
    @Autowired
    CategoryService categoryService;
    @Autowired
    WareFeignService wareFeignService;
    @Autowired
    SearchFeignService searchFeignService;

    @Override
    public PageUtils queryPage(Map<String, Object> params) {
        IPage<SpuInfoEntity> page = this.page(
                new Query<SpuInfoEntity>().getPage(params),
                new QueryWrapper<SpuInfoEntity>()
        );

        return new PageUtils(page);
    }

    /**
     * 保存发布商品
     * @param vo
     */
    @Transactional
    @Override
    public void savSpuInfo(SpuSaveVo vo) {

        //1.保存spu基本信息 ；pms_spu_info表

        SpuInfoEntity infoEntity = new SpuInfoEntity();
        BeanUtils.copyProperties(vo,infoEntity);
        infoEntity.setCreateTime(new Date());
        infoEntity.setUpdateTime(new Date());
        this.saveBaseSpuInfo(infoEntity);
        //2.保存spu的图片描述；pms_spu_info_desc表

        List<String> decript = vo.getDecript();
        SpuInfoDescEntity descEntity = new SpuInfoDescEntity();
        descEntity.setSpuId(infoEntity.getId());
        descEntity.setDecript(String.join(",",decript));
        spuInfoDescService.saveSpuInfoDesc(descEntity);
        //3.保存spu的图片集；pms_spu_images表

        List<String> images = vo.getImages();
        spuImagesService.saveSpuImages(infoEntity.getId(),images);
        //4.保存spu的规格参数；pms_product_attr_value

        List<BaseAttrs> baseAttrs = vo.getBaseAttrs();
        List<ProductAttrValueEntity> collect = baseAttrs.stream().map(attr -> {
            ProductAttrValueEntity attrValueEntity = new ProductAttrValueEntity();
            attrValueEntity.setAttrId(attr.getAttrId());
            AttrEntity byId = attrService.getById(attr.getAttrId());
            attrValueEntity.setAttrName(byId.getAttrName());
            attrValueEntity.setQuickShow(attr.getShowDesc());
            attrValueEntity.setAttrValue(attr.getAttrValues());
            attrValueEntity.setSpuId(infoEntity.getId());
            return attrValueEntity;
        }).collect(Collectors.toList());

        productAttrValueService.saveProductAttrValue(collect);

        //5.保存spu的积分信息；gulimall-sms->sms_spu_bounds表

        Bounds bounds = vo.getBounds();
        SpuBoundTo spuBoundTo = new SpuBoundTo();
        BeanUtils.copyProperties(bounds,spuBoundTo);
        spuBoundTo.setSpuId(infoEntity.getId());
        R r = couponFeignService.saveSpuBounds(spuBoundTo);
        if (r.getCode()!=0 ){
            log.error("远程保存spu积分信息失败");
        }

        //6.保存当前spu对应的sku信息

        List<Skus> skus = vo.getSkus();
        if (skus!=null&&skus.size()>0){
            skus.forEach(item->{
                String defaultImg="";
                for (Images image : item.getImages()) {
                    if (image.getDefaultImg()==1){
                        defaultImg=image.getImgUrl();
                    }

                }
                SkuInfoEntity skuInfoEntity = new SkuInfoEntity();
                BeanUtils.copyProperties(item,skuInfoEntity);
                skuInfoEntity.setBrandId(infoEntity.getBrandId());
                skuInfoEntity.setCatalogId(infoEntity.getCatalogId());
                skuInfoEntity.setSaleCount(0L);
                skuInfoEntity.setSpuId(infoEntity.getId());
                skuInfoEntity.setSkuDefaultImg(defaultImg);
                //6.1）sku的基本信息：pms_sku_info
                skuInfoService.saveSkuInfo(skuInfoEntity);

                Long skuId = skuInfoEntity.getSkuId();
                List<SkuImagesEntity> collect1 = item.getImages().stream().map(img -> {
                    SkuImagesEntity skuImagesEntity = new SkuImagesEntity();
                    skuImagesEntity.setSkuId(skuId);
                    skuImagesEntity.setImgUrl(img.getImgUrl());
                    skuImagesEntity.setDefaultImg(img.getDefaultImg());
                    return skuImagesEntity;
                }).filter(entity->{
                    //返回true就是需要，false就是剔除过滤掉
                    return !StringUtils.isEmpty(entity.getImgUrl());
                }).collect(Collectors.toList());
                //6.2)sku的图片信息；pms_sku_images
                skuImagesService.saveBatch(collect1);

                List<Attr> attr = item.getAttr();
                List<SkuSaleAttrValueEntity> collect2 = attr.stream().map(a -> {
                    SkuSaleAttrValueEntity attrValueEntity = new SkuSaleAttrValueEntity();
                    BeanUtils.copyProperties(a, attrValueEntity);
                    attrValueEntity.setSkuId(skuId);
                    return attrValueEntity;
                }).collect(Collectors.toList());
                //6.3）sku的销售属性信息；pms_sku_sale_attr_value
                skuSaleAttrValueService.saveBatch(collect2);

                SkuReductionTo skuReductionTo = new SkuReductionTo();
                BeanUtils.copyProperties(item,skuReductionTo);
                skuReductionTo.setSkuId(skuId);

                //6.4）sku的优惠满减等信息；gulimall-sms->打折表：sms_sku_ladder\满减表：sms_sku_full_reduction\会员价格表：sms_member_price
                if (skuReductionTo.getFullCount()>0||skuReductionTo.getFullPrice().compareTo(new BigDecimal("0"))==1){

                    R r1 = couponFeignService.saveSkuReduction(skuReductionTo);
                    if (r1.getCode()!=0 ){
                        log.error("远程保存sku优惠信息失败");
                    }
                }


            });

        }


        //6.4）sku的优惠满减等信息；gulimall-sms->打折表：sms_sku_ladder\满减表：sms_sku_full_reduction\会员价格表：sms_member_price
    }

    /**
     * 保存spu基本信息
     * @param infoEntity
     */
    @Override
    public void saveBaseSpuInfo(SpuInfoEntity infoEntity) {
        this.baseMapper.insert(infoEntity);
    }

    /**
     * spu多条件检索
     * @param params
     * @return
     */
    @Override
    public PageUtils queryPageByCondition(Map<String, Object> params) {
        /**
         * status: 0
         * key:
         * brandId: 4
         * catelogId: 225
         */
        QueryWrapper<SpuInfoEntity> wrapper = new QueryWrapper<>();
        String key = (String) params.get("key");
        if (!StringUtils.isEmpty(key)){

            wrapper.and((w)->{
                w.eq("id",key).or().like("spu_name",key);
            });
        }
        String status = (String) params.get("status");
        if (!StringUtils.isEmpty(status)){

            wrapper.eq("publish_status",status);
        }
        String brandId = (String) params.get("brandId");
        if (!StringUtils.isEmpty(brandId)&&!"0".equalsIgnoreCase(brandId)){
          wrapper.eq("brand_id",brandId);
        }
        String catelogId = (String) params.get("catelogId");
        if (!StringUtils.isEmpty(catelogId) &&!"0".equalsIgnoreCase(catelogId)){
        wrapper.eq("catalog_id",catelogId);
        }

        IPage<SpuInfoEntity> page = this.page(
                new Query<SpuInfoEntity>().getPage(params),wrapper

        );

        return new PageUtils(page);
    }

    /**
     * 商品上架
     * @param spuId
     */
    @Override
    public void up(Long spuId) {

        //1.查询出当前spuid对应的所有sku信息，品牌的名字
        List<SkuInfoEntity>skus=skuInfoService.getSkusBySpuId(spuId);

        List<Long> skuIdsList = skus.stream().map(SkuInfoEntity::getSkuId).collect(Collectors.toList());
        //查询当前sku的所有可以被用来检索的规格属性
        List<ProductAttrValueEntity> baseAttrs = productAttrValueService.baseAttrlistforspu(spuId);
        final List<Long> attrIds = baseAttrs.stream().map(attr -> {
            return attr.getAttrId();
        }).collect(Collectors.toList());
        List<Long>searchAttrIds=attrService.selectSearchAttrs(attrIds);
        Set<Long>idSet=new HashSet<>(searchAttrIds);
        List<SkuEsModel.Attrs> attrsList = baseAttrs.stream().filter(item -> {
            return idSet.contains(item.getAttrId());
        }).map(item -> {
            SkuEsModel.Attrs attrs = new SkuEsModel.Attrs();
            BeanUtils.copyProperties(item, attrs);
            return attrs;
        }).collect(Collectors.toList());

        //发送远程调用，库存系统查询是否有库存
        Map<Long, Boolean> collect1=null;
        try {
            R skusHasStock = wareFeignService.getSkusHasStock(skuIdsList);

            TypeReference<List<SkuHasStockVo>> typeReference = new TypeReference<List<SkuHasStockVo>>() {
            };
            collect1= skusHasStock.getData(typeReference).stream().collect(Collectors.toMap(SkuHasStockVo::getSkuId, item -> item.getHasStock()));

        }catch (Exception e){
            log.error("库存服务查询出现异常：原因{}",e);
        }


        //2.封装每个sku的信息
        Map<Long, Boolean> finalCollect = collect1;
        List<SkuEsModel> collect = skus.stream().map(sku -> {
            //组装需要的数据
            SkuEsModel esModel = new SkuEsModel();
            BeanUtils.copyProperties(sku, esModel);
            esModel.setSkuPrice(sku.getPrice());
            esModel.setSkuImg(sku.getSkuDefaultImg());
           //库存
            if (finalCollect ==null){
                esModel.setHasStock(true);
            }else {
                esModel.setHasStock(finalCollect.get(sku.getSkuId()));
            }
            //热度评分
            esModel.setHotScore(0l);
            //查询品牌和分类的名字
            BrandEntity brand = brandService.getById(esModel.getBrandId());
            esModel.setBrandName(brand.getName());
            esModel.setBrandImg(brand.getLogo());

            CategoryEntity category = categoryService.getById(esModel.getCatalogId());
            esModel.setCatalogName(category.getName());

            //设置检索属性
            esModel.setAttrs(attrsList);

            return esModel;
        }).collect(Collectors.toList());

         //将所有数据发送给es进行保存
        R r = searchFeignService.productStatusUp(collect);
        if (r.getCode()==0){
            //远程调用成功过
            //修改当前spu的状态，改为上架状态
            baseMapper.updateSpuStatus(spuId, ProductConstand.StatusEnum.SPU_UP.getCode());
        }else {
            //远程调用失败
        }
    }

}